Home / 5,215,152.52-7,824,976.54-2,820,682.77

Finding the Fourth Proportional to 5,215,152.52, 7,824,976.54 and 2,820,682.77

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Solution

The fourth proportional to 5,215,152.52, 7,824,976.54 and 2,820,682.77 is: 4,232,239.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,152.52 : 7,824,976.54 = 2,820,682.77 : x
  2. Step 2: Convert to fraction form
    5,215,152.52/7,824,976.54 = 2,820,682.77/x
  3. Step 3: Cross multiply
    5,215,152.52x = 7,824,976.54 × 2,820,682.77
  4. Step 4: Simplify right side
    5,215,152.52x = 22,071,776,465,636.84
  5. Step 5: Solve for x
    x = 22,071,776,465,636.84/5,215,152.52
  6. Step 6: Final answer
    x = 4,232,239.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.